Srisathaporn, A. , Khajarern, J. , Chalorkpunrut, P. และ Tengjroenkul, B. 2013. Effects of Melamine and Urea formaldehyde contamination in Nile tilapia (Oreochromis niloticus) diets on growth performance, economic loss and toxicity appearance characteristic index . วารสารแก่นเกษตร. 41, 4 (ธ.ค. 2013), 521–534.